Where is Cosgrove Lake?

Cosgrove Lake is a lake in Florence County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.

How deep is Cosgrove Lake?

Cosgrove Lake has a maximum depth of 26 feet and an average depth of 6 feet. The lake covers 76 acres.

Cosgrove Lake

Florence County, Wisconsin76 acresView map Directions

No nutrient or algae sampling on record from Wisconsin DNR for this lake.

Max depth

26 ft

Bathymetric survey

Area

76 acres

Surface area

Shoreline

2.2 mi

Measured length

26 ft max depth

See the measurements Directions Where to stay

Cosgrove Lake in Florence County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 26 ft. Surface area: 76 acres.

Loading map…

Cosgrove Lake is a 76-acre lake in Florence County, Wisconsin with a maximum depth of 26 feet (6-foot average).

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Cosgrove Lake is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Compare swimming lakes near Eagle River →

Get alerts for Cosgrove Lake →

Water quality measurements for Cosgrove Lake

These are the measurements Wisconsin DNR publishes for Cosgrove Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. TSI undefined.

Ask about Cosgrove Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

26 ft

Average depth

6 ft

Surface area

76 acres

Shoreline

2.2 mi

Stays via Stay22

Stays near Cosgrove Lake

Compare lakeside cabins, hotels, and vacation rentals near Cosgrove Lake in Florence County, Wisconsin — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Cosgrove Lake

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Wisconsin’s top lakes →

Follow Cosgrove Lake’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Cosgrove Lake

→ Cosgrove Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Florence County

Little Cosgrove Lake8.6 ft clear0.3 miView →Cosgrove Lake9.4 ft clear0.4 miView →Lake Anna20.5 ft clear1 miView →Montgomery Lake6.8 ft clear1.3 miView →West Lake12 ft clear1.1 miView →West Lake -Spread Eagle Chain9.5 ft clear1.3 miView →

Frequently asked questions about Cosgrove Lake

Where is Cosgrove Lake?: Cosgrove Lake is a lake in Florence County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Cosgrove Lake?: Cosgrove Lake in Florence County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 26 ft. Surface area: 76 acres.
Is Cosgrove Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Cosgrove Lake?: Cosgrove Lake has a maximum depth of 26 feet and an average depth of 6 feet. The lake covers 76 acres.